Founded in 1992, we are a high-tech environmental protection company located in Shanghai, China. We specializes in odor control and waste gas treatment, especially sewage plant biological deodorization. For several years, we have been cooperating with many sewage, chemical and waste plants clients throughout China. We provide environmental consultant services. Also, we design, manufacture and install odor control equipments and systems. Our goal is to be the leader in the industry. Dedicating to researching advanced technologies, we have gained several patents in the area of odor control. More than 200 projects have been applied in different industries. We aims to build a sustainable company. How to live a sustainable life? Asking us!